农民们正在用犁翻地，为春耕做准备。

The farmers are ___ploughing the soil to get ready for spring planting.

拖拉机在泥泞的田野里艰难前行。

The tractor ___ploughed through the muddy field with great effort.

他们决定投入大量资金开发这款新产品。

They decided to ___plough a huge sum into developing this new product.

尽管天气恶劣，救援队仍坚持前进。

Despite the bad weather, the rescue team ___ploughed ahead.